n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 13 |
5 | 31 |
6 | 72 |
7 | 156 |
8 | 337 |
9 | 701 |
10 | 1452 |
11 | 2964 |
12 | 6001 |
13 | 12108 |
14 | 24324 |
15 | 48871 |
16 | 97988 |
17 | 196224 |
18 | 392768 |
19 | 785946 |
20 | 1572353 |
21 | 3145554 |
22 | 6291980 |
[1,2,5,13,31,72,156,337,701,1452,2964,6001,12108, 24324,48871,97988,196224,392768,785946,1572353, 3145554,6291980] |